21395440080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{18701}}^1$

素因数の和:18954

約数の個数: 240

約数和(自身を含む): 82483899264

約数和(自身を除く): 61088459184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 227, 240, 252, 280, 315, 336, 360, 420, 454, 504, 560, 630, 681, 720, 840, 908, 1008, 1135, 1260, 1362, 1589, 1680, 1816, 2043, 2270, 2520, 2724, 3178, 3405, 3632, 4086, 4540, 4767, 5040, 5448, 6356, 6810, 7945, 8172, 9080, 9534, 10215, 10896, 12712, 13620, 14301, 15890, 16344, 18160, 18701, 19068, 20430, 23835, 25424, 27240, 28602, 31780, 32688, 37402, 38136, 40860, 47670, 54480, 56103, 57204, 63560, 71505, 74804, 76272, 81720, 93505, 95340, 112206, 114408, 127120, 130907, 143010, 149608, 163440, 168309, 187010, 190680, 224412, 228816, 261814, 280515, 286020, 299216, 336618, 374020, 381360, 392721, 448824, 523628, 561030, 572040, 654535, 673236, 748040, 785442, 841545, 897648, 1047256, 1122060, 1144080, 1178163, 1309070, 1346472, 1496080, 1570884, 1683090, 1963605, 2094512, 2244120, 2356326, 2618140, 2692944, 3141768, 3366180, 3927210, 4245127, 4488240, 4712652, 5236280, 5890815, 6283536, 6732360, 7854420, 8490254, 9425304, 10472560, 11781630, 12735381, 13464720, 15708840, 16980508, 18850608, 21225635, 23563260, 25470762, 29715889, 31417680, 33961016, 38206143, 42451270, 47126520, 50941524, 59431778, 63676905, 67922032, 76412286, 84902540, 89147667, 94253040, 101883048, 118863556, 127353810, 148579445, 152824572, 169805080, 178295334, 191030715, 203766096, 237727112, 254707620, 267443001, 297158890, 305649144, 339610160, 356590668, 382061430, 445738335, 475454224, 509415240, 534886002, 594317780, 611298288, 713181336, 764122860, 891476670, 1018830480, 1069772004, 1188635560, 1337215005, 1426362672, 1528245720, 1782953340, 2139544008, 2377271120, 2674430010, 3056491440, 3565906680, 4279088016, 5348860020, 7131813360, 10697720040, 21395440080]

約数ペア:

[(1, 21395440080), (2, 10697720040), (3, 7131813360), (4, 5348860020), (5, 4279088016), (6, 3565906680), (7, 3056491440), (8, 2674430010), (9, 2377271120), (10, 2139544008), (12, 1782953340), (14, 1528245720), (15, 1426362672), (16, 1337215005), (18, 1188635560), (20, 1069772004), (21, 1018830480), (24, 891476670), (28, 764122860), (30, 713181336), (35, 611298288), (36, 594317780), (40, 534886002), (42, 509415240), (45, 475454224), (48, 445738335), (56, 382061430), (60, 356590668), (63, 339610160), (70, 305649144), (72, 297158890), (80, 267443001), (84, 254707620), (90, 237727112), (105, 203766096), (112, 191030715), (120, 178295334), (126, 169805080), (140, 152824572), (144, 148579445), (168, 127353810), (180, 118863556), (210, 101883048), (227, 94253040), (240, 89147667), (252, 84902540), (280, 76412286), (315, 67922032), (336, 63676905), (360, 59431778), (420, 50941524), (454, 47126520), (504, 42451270), (560, 38206143), (630, 33961016), (681, 31417680), (720, 29715889), (840, 25470762), (908, 23563260), (1008, 21225635), (1135, 18850608), (1260, 16980508), (1362, 15708840), (1589, 13464720), (1680, 12735381), (1816, 11781630), (2043, 10472560), (2270, 9425304), (2520, 8490254), (2724, 7854420), (3178, 6732360), (3405, 6283536), (3632, 5890815), (4086, 5236280), (4540, 4712652), (4767, 4488240), (5040, 4245127), (5448, 3927210), (6356, 3366180), (6810, 3141768), (7945, 2692944), (8172, 2618140), (9080, 2356326), (9534, 2244120), (10215, 2094512), (10896, 1963605), (12712, 1683090), (13620, 1570884), (14301, 1496080), (15890, 1346472), (16344, 1309070), (18160, 1178163), (18701, 1144080), (19068, 1122060), (20430, 1047256), (23835, 897648), (25424, 841545), (27240, 785442), (28602, 748040), (31780, 673236), (32688, 654535), (37402, 572040), (38136, 561030), (40860, 523628), (47670, 448824), (54480, 392721), (56103, 381360), (57204, 374020), (63560, 336618), (71505, 299216), (74804, 286020), (76272, 280515), (81720, 261814), (93505, 228816), (95340, 224412), (112206, 190680), (114408, 187010), (127120, 168309), (130907, 163440), (143010, 149608)]